**Changes to models
- Classroom model
String classroomId;
String classroomName;
String classroomDescription;
String classroomYear;
String classroomImagePath;
String classroomCode; (the code to add a child/teacher to classroom)

- Teacher model


Note: you are free to name the attributes the way you see fit

**Requests to be added
GET: classroom/{id}/teachers
// the teacher who is the admin of the class needs to have an attribute "is_admin"
GET: classroom/{id}/children
POST: classroom/{id}/add-child/{child_id}
GET: teachers/{id}/classrooms
GET: teachers/{id}/classroom/{id}

Note: Can we please go further with added authentication and registration processes (using signup/signin forms) with no sms or email verification.